S$165 Cheap Flights from Chiang Mai to Seoul

View S$165 flight on Wed, 17 Dec, 2025Opens in a new window

Popular airlines from Chiang Mai Intl. Airport (CNX) to Incheon Intl. Airport (ICN)

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Cheap Flights from Chiang Mai to Seoul (CNX-ICN)

Prices were available within the past 7 days and start at S$165 for one-way flights and S$328 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Mon, 9 Mar - Tue, 17 Mar
CNX
Chiang Mai
ICN
Seoul
S$328 Return, found 2 days ago
S$328
Return
found 2 days ago
Select Thai AirAsia flight, departing Mon, 9 Mar from Chiang Mai to Seoul, returning Tue, 17 Mar, priced at S$328 found 2 days ago
Jeju Air
Fri, 31 Oct - Sat, 8 Nov
CNX
Chiang Mai
ICN
Seoul
S$356 Return, found 4 days ago
S$356
Return
found 4 days ago
Select Jeju Air flight, departing Fri, 31 Oct from Chiang Mai to Seoul, returning Sat, 8 Nov, priced at S$356 found 4 days ago
Jeju Air
Fri, 31 Oct - Sat, 8 Nov
CNX
Chiang Mai
ICN
Seoul
S$393 Return, found 4 days ago
S$393
Return
found 4 days ago
Select Jeju Air flight, departing Fri, 31 Oct from Chiang Mai to Seoul, returning Sat, 8 Nov, priced at S$393 found 4 days ago
Jeju Air
Fri, 31 Oct - Sat, 8 Nov
CNX
Chiang Mai
ICN
Seoul
S$399 Return, found 4 days ago
S$399
Return
found 4 days ago
Select Jeju Air flight, departing Fri, 31 Oct from Chiang Mai to Seoul, returning Sat, 8 Nov, priced at S$399 found 4 days ago
Asiana Airlines
Fri, 17 Oct - Sun, 26 Oct
CNX
Chiang Mai
ICN
Seoul
S$419 Return, found 20 hours ago
S$419
Return
found 20 hours ago
Select Asiana Airlines flight, departing Fri, 17 Oct from Chiang Mai to Seoul, returning Sun, 26 Oct, priced at S$419 found 20 hours ago
Jeju Air with Bag
Fri, 31 Oct - Sat, 8 Nov
CNX
Chiang Mai
ICN
Seoul
S$421 Return, found 4 days ago
S$421
Return
found 4 days ago
Select Jeju Air with Bag flight, departing Fri, 31 Oct from Chiang Mai to Seoul, returning Sat, 8 Nov, priced at S$421 found 4 days ago
Jeju Air with Bag
Fri, 31 Oct - Sat, 8 Nov
CNX
Chiang Mai
ICN
Seoul
S$427 Return, found 4 days ago
S$427
Return
found 4 days ago
Select Jeju Air with Bag flight, departing Fri, 31 Oct from Chiang Mai to Seoul, returning Sat, 8 Nov, priced at S$427 found 4 days ago
China Southern Airlines
Fri, 31 Oct - Sat, 8 Nov
CNX
Chiang Mai
ICN
Seoul
S$431 Return, found 4 days ago
S$431
Return
found 4 days ago
Select China Southern Airlines flight, departing Fri, 31 Oct from Chiang Mai to Seoul, returning Sat, 8 Nov, priced at S$431 found 4 days ago
China Eastern Airlines
Fri, 24 Oct - Tue, 28 Oct
CNX
Chiang Mai
ICN
Seoul
S$470 Return, found 2 days ago
S$470
Return
found 2 days ago
Select China Eastern Airlines flight, departing Fri, 24 Oct from Chiang Mai to Seoul, returning Tue, 28 Oct, priced at S$470 found 2 days ago
Hahn Air Systems
Fri, 17 Oct - Sun, 26 Oct
CNX
Chiang Mai
ICN
Seoul
S$476 Return, found 20 hours ago
S$476
Return
found 20 hours ago
Select Hahn Air Systems flight, departing Fri, 17 Oct from Chiang Mai to Seoul, returning Sun, 26 Oct, priced at S$476 found 20 hours ago

Find the cheapest month to fly from Chiang Mai (CNX) to Seoul (ICN)

June is typically the cheapest month to fly

From S$320 - S$484 per traveller.

Frequently asked questions

How much is a flight from Chiang Mai Intl. Airport (CNX) to Incheon Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Chiang Mai Airport to Incheon Intl. Airport (ICN) start from S$328. Make your booking today to score the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Chiang Mai Airport to Incheon Intl. Airport (ICN)?
This can vary between air carriers, as each one has its own terms and conditions. Head to the Customer Service Portal, where you'll find easy instructions on how to cancel online.
How do I find cheap flights from Chiang Mai Airport to Seoul–Incheon Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Chiang Mai Airport to Incheon Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from CNX to Incheon Airport?
It's around 3,400 kilometres between Chiang Mai and South Korea, so you'll be in your seat for a while. Keep yourself entertained with things like playing cards (if you're travelling with friends) or a good old-fashioned book.
Which airlines fly direct from CNX to Seoul–Incheon Intl. Airport?
Operating 17 flights every month, Korean Air (KE) is a popular choice when flying straight from CNX to Seoul–Incheon Intl. Airport.
Are CNX to Incheon Intl. Airport (ICN) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from CNX to Seoul–Incheon Intl. Airport can be hit-or-miss. You may be able to score a great bargain, but you could also completely miss out! If you'd rather start planning your trip early, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines issue their prices so far in advance. Our suggestion? Check back often as updates are made regularly.

Travel information

Origin airport
Chiang Mai Intl.
Destination airport
Incheon Intl.
Airlines serving
Air China, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Hahn Air Systems, Jeju Air with Bag, Korean Air, Malaysia Airlines, Thai Airways International
Return price
S$328
Distance
3360 km
Average flight time
7 hours 16 mins

Book with confidence

Perfect flights from Chiang Mai to Seoul

Your Journey from Chiang Mai to Seoul

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With Expedia, you have access to a wide range of airlines, including Thai AirAsia, Jeju Air with Bag, China Southern Airlines, Asiana Airlines, Hahn Air Systems, Jeju Air, China Eastern Airlines. Our selection of flights from Chiang Mai Intl. to Incheon Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Chiang Mai to Seoul

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